[
  {
    "id": "core.spiral",
    "name": "Spiral Galaxy",
    "shape": "Spiral",
    "systemSpacingAu": 400,
    "spreadFactor": 1.0,
    "armCount": 4,
    "spiralTurns": 1.5,
    "jitterAu": 80,
    "anchorExclusionRadiusAu": 250,
    "anchors": [
      { "name": "Sol", "positionAuX": 0, "positionAuY": 0, "isStartSystem": true },
      { "name": "Alpha Centauri", "positionAuX": 400, "positionAuY": 0, "isStartSystem": false },
      { "name": "Sirius", "positionAuX": 280, "positionAuY": 280, "isStartSystem": false },
      { "name": "Procyon", "positionAuX": -280, "positionAuY": 280, "isStartSystem": false },
      { "name": "Barnard's Star", "positionAuX": -400, "positionAuY": 0, "isStartSystem": false }
    ]
  },
  {
    "id": "core.scatter",
    "name": "Scatter Cluster",
    "shape": "Scatter",
    "systemSpacingAu": 400,
    "spreadFactor": 1.0,
    "jitterAu": 60,
    "anchorExclusionRadiusAu": 250,
    "anchors": [
      { "name": "Sol", "positionAuX": 0, "positionAuY": 0, "isStartSystem": true }
    ]
  }
]
